method
copy_table
v7.1.3.2 -
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Class: ActiveRecord::ConnectionAdapters::SQLite3Adapter
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copy_table(from, to, options = {})
private
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# File activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb, line 539 def copy_table(from, to, options = {}) from_primary_key = primary_key(from) options[:id] = false create_table(to, **options) do |definition| @definition = definition if from_primary_key.is_a?(Array) @definition.primary_keys from_primary_key end columns(from).each do |column| column_name = options[:rename] ? (options[:rename][column.name] || options[:rename][column.name.to_sym] || column.name) : column.name if column.has_default? type = lookup_cast_type_from_column(column) default = type.deserialize(column.default) default = -> { column.default_function } if default.nil? end column_options = { limit: column.limit, precision: column.precision, scale: column.scale, null: column.null, collation: column.collation, primary_key: column_name == from_primary_key } unless column.auto_increment? column_options[:default] = default end column_type = column.bigint? ? :bigint : column.type @definition.column(column_name, column_type, **column_options) end yield @definition if block_given? end copy_table_indexes(from, to, options[:rename] || {}) copy_table_contents(from, to, @definition.columns.map(&:name), options[:rename] || {}) end